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Comments in green were written by me. Comments in blue were not written by me.
2020-12-29
I finished all of the puzzles but the picture is far from colored in. Am I missing something?
These puzzles have been a blast!
JDev
on
/blog/87
×1
×1
×1
×1
2021-01-03
@
JDev
: lots of the card will still be brown once you're done, but you should see a nice picture. Perhaps one of your answers is wrong, making a mess of the picture?
Matthew
on
/blog/87
×1
×1
×1
×1
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A surprising fact about quadrilaterals
Interesting tautologies
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Log-scaled axes
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PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
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Visualising MENACE's learning
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A non-converging LaTeX document
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Proving a conjecture
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Harriss and other spirals
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realhats
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
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MENACE at Manchester Science Festival
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Big Ben Strikes Again
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The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
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Is MEDUSA the new BODMAS?
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Logical contradictions
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Tube map kaleidocycles
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Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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The
Mathematical Games
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How to kick a conversion
How much will I win on the new National Lottery?
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How OEISbot works
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Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
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Tube map Platonic solids, pt. 3
2014
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Logic bot
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Electromagnetic Field talk
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Tennis maths
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World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
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Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Tube map Platonic solids, pt. 2
Oct 2012
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Archive
Show me a random blog post
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2026
May 2026
World Cup stickers 2026
Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
▲ hide ▲
Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -6+τφ Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
24 hour maths
finite element method
crosswords
zines
accuracy
palindromes
bempp
programming
regular expressions
crochet
databet
newcastle
quadrilaterals
logo
warwick
pokémon
arithmetic
captain scarlet
asteroids
royal institution
people maths
rhombicuboctahedron
sound
edinburgh
noughts and crosses
bubble bobble
correlation
electromagnetic field
matrix of minors
advent calendar
gather town
gerry anderson
approximation
games
national lottery
tetris
computational complexity
christmas card
misleading statistics
ucl
pythagoras
wordle
christmas
partridge puzzle
fractals
pokémon wordle
fonts
standard deviation
weak imposition
errors
nine men's morris
squares
folding paper
probability
dates
preconditioning
pizza cutting
boundary element methods
braiding
pac-man
polynomials
dataset
realhats
platonic solids
rugby
data visualisation
bodmas
inline code
books
game show probability
tmip
geometry
data
signorini conditions
inverse matrices
machine learning
raspberry pi
curvature
error bars
matrices
radio 4
javascript
fence posts
oeis
football
arrangement puzzles
exponential growth
kings
wave scattering
matrix of cofactors
big internet math-off
binary
a gamut of games
wool
interpolation
statistics
hats
dragon curves
sorting
friendly squares
runge's phenomenon
cross stitch
news
pascal's triangle
bots
european cup
mean
hexapawn
crossnumber
propositional calculus
gaussian elimination
light
draughts
go
countdown
triangles
speed
phd
manchester science festival
simultaneous equations
mathsteroids
cambridge
mathslogicbot
game of life
final fantasy
stickers
map projections
convergence
determinants
chess
kenilworth
geogebra
chebyshev
crossnumbers
reddit
puzzles
flexagons
anscombe's quartet
datasaurus dozen
harriss spiral
world cup
alphabets
sport
pi
stirling numbers
plastic ratio
guest posts
matrix multiplication
menace
recursion
dinosaurs
numbers
martin gardner
london underground
talking maths in public
rust
pi approximation day
frobel
weather station
finite group
hannah fry
london
graph theory
live stream
hyperbolic surfaces
coventry
folding tube maps
video games
php
reuleaux polygons
python
turtles
estimation
latex
nonograms
numerical analysis
ternary
trigonometry
logs
golden spiral
logic
matt parker
the aperiodical
royal baby
chalkdust magazine
thirteen
coins
youtube
mathsjam
graphs
sobolev spaces
bluesky
tennis
manchester
craft
golden ratio
© Matthew Scroggs 2012–2026
These puzzles have been a blast!
on /blog/87